Stihl MS171 Petrol Chainsaw 12 / 14 inch

The Stihl MS171 is an entry-level, compact, lightweight chainsaw for the domestic user. Boasting an economic 2-Mix 31.8cc petrol engine, it’s perfect for cutting firewood and small logs.

• Ideal chainsaw for homeowners,
• Available with a 12-inch or 14-inch bar,
• Simple and easy to use,
• Great for general garden tasks.
• 2-year warranty (domestic only)

Small and simple, the MS171 chainsaw can be used by even a novice gardener.

If you are looking for a convenient petrol chainsaw for all those gardening tasks, then the MS 171 really is the one to buy. Ticking all the boxes, it’s great for cutting down small trees, sectioning firewood, reducing bushes and shrubbery and other small sawing tasks.

Additionally, it’s super simple to control with all the operation controlled by a single lever which adjusts the starter, choke, throttle and stop. Manoeuvring the chainsaw is effortless too, being a featherweight at just over 4 kilos, will help reduce fatigue for long periods of use. Around the chainsaw is a loop-handle grip to ensure maximum control and reduce kickback.

Furthermore, Stihl has introduced an anti-vibration system to the MS171 which dampens the oscillations through the chainsaw and into the handle. This helps prevent the long term effects of stress when using power tools in the fingers and wrists. Even the starting process is less stressful, featuring the Stihl ElastoStart system, which reduces compression shock..

A highly efficient petrol chainsaw, for all year round use.

Stihl has designed this MS 171 domestic chainsaw with efficiency in mind. Benefitting from a highly powerful 2-stroke petrol engine with a 2-mix system, it results in a 20% lower fuel consumption and greatly reduced emissions compared to other 2-stroke models.

What’s more, the fuel and air ratio is controlled by an advanced compensator. This prevents the carburettor’s fuel-air mixture becoming rich in petrol and the air filter becoming clogged. Only the right amount of fuel is delivered depending on the volume of air being sucked in, resulting in constant engine power. This Stihl chainsaw also benefits from a pre-separation air filtration system, which means longer filter life.

Finally, Stihl has produced the MS 171 chainsaw with its Ematic chain lubrication system. To make the chains last longer and reduce friction, the system lubricates the saw chains links and guide bar rails, resulting in less wear and up to 50% less oil consumption.

Features We Like

Advanced combustion technology

Four overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result is lower fuel consumption and high torque across a broad rpm range.

Anti-vibration system

Intense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine’s engine are dampened which significantly reduces vibrations at the handles.

Pre-separation air filtration system

STIHL long-life air filtration systems with pre-separation achieve perceptibly longer filter life compared with conventional filter systems. Air drawn in is swirled. The larger, heavier particles are ejected. The pre-cleaned air is routed to the air filter via the pre-separator duct.

Compensator

This controller in the carburettor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. The filter doesn’t need to be cleaned until an appreciable drop in power occurs.

Single-lever master control

All important functions such as start, choke, throttle and stop are operated via a single lever.

Side chain tensioner

The tensioning screw can be found on the side of the chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.

Ematic chain lubrication system

The Ematic chain lubrication system ensures pinpoint lubrication of the saw chain links and guide bar rails. When used with STIHL OILOMATIC saw chain, it will provide maximum lubrication, longer wear and less oil consumption than conventional methods of chain lubrication. The Ematic system can reduce bar oil consumption by up to 50%.

Tool free filler caps

Special catches on the fuel and oil tanks for easy opening and locking without the need for tools.

– Download PDF Manual Here (If Available)

1) Without fuel, without bar and chain
2) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
3) K-factor according to DIR 2006/42/EC = 2m / s ²

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